diff --git a/conf/machine/freedom-u540.conf b/conf/machine/freedom-u540.conf
index 0589fb5..295945d 100644
--- a/conf/machine/freedom-u540.conf
+++ b/conf/machine/freedom-u540.conf
@@ -27,3 +27,19 @@ RISCV_BBL_PAYLOAD ?= "${KERNEL_IMAGETYPE}${KERNEL_INITRAMFS}-${MACHINE}.bin"
 INITRAMFS_IMAGE_BUNDLE = "1"
 INITRAMFS_IMAGE = "riscv-initramfs-image"
 KERNEL_INITRAMFS = '-initramfs'
+
+IMAGE_FSTYPES_append = " wic.gz"
+
+# Do not update fstab file when using wic images
+WIC_CREATE_EXTRA_ARGS ?= "--no-fstab-update"
+
+IMAGE_BOOT_FILES = ""
+
+### wic default support
+WKS_FILE_DEPENDS ?= " \
+    riscv-pk \
+    e2fsprogs-native \
+    bmap-tools-native \
+"
+
+WKS_FILE ?= "freedom-u540-bbl.wks"